1. not fastened or secured; loose or undone

1. past tense and past participle of unfasten

Examples

• Her shoelaces were unfastened and dragging on the ground.
• The gate remained unfastened after the storm.
• She unfastened her seatbelt as the plane came to a stop.
• The unfastened buttons on his shirt flapped in the wind.
• He unfastened the lock and opened the door.
• The unfastened clasp caused her necklace to fall off.
• They unfastened the rope that held the boat to the dock.